242 lines
7.7 KiB
Dart
Executable File
242 lines
7.7 KiB
Dart
Executable File
import 'dart:convert';
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import 'dart:io';
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import 'package:crypto/crypto.dart';
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import 'package:dio/dio.dart';
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import 'package:get/get.dart';
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import 'package:image_gallery_saver/image_gallery_saver.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:permission_handler/permission_handler.dart';
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import 'package:star_lock/app_settings/app_settings.dart';
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import 'package:star_lock/main/lockDetail/videoLog/videoLog/videoLog_entity.dart';
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import 'package:star_lock/main/lockDetail/videoLog/videoLog/videoLog_logic.dart';
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import 'package:star_lock/network/api_repository.dart';
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import 'package:star_lock/tools/baseGetXController.dart';
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import 'package:star_lock/versionUndate/versionUndate_entity.dart';
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import 'editVideoLog_state.dart';
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class EditVideoLogLogic extends BaseGetXController {
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EditVideoLogState state = EditVideoLogState();
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final VideoLogLogic videoLogLogic = Get.find<VideoLogLogic>();
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Future<void> deleteLockCloudStorageList() async {
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final VersionUndateEntity entity =
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await ApiRepository.to.deleteLockCloudStorageList(
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recordIds: state.selectVideoLogList.value.map((e) => e.recordId).toList(),
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);
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if (entity.errorCode!.codeIsSuccessful) {
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showToast('删除成功'.tr);
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await getLockCloudStorageList();
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state.selectVideoLogList.clear();
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}
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}
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Future<void> getLockCloudStorageList() async {
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final VideoLogEntity entity =
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await ApiRepository.to.getLockCloudStorageList(
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lockId: state.getLockId.value,
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);
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if (entity.errorCode!.codeIsSuccessful) {
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state.videoLogList.value = entity.data!;
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state.videoLogList.refresh();
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}
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}
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Future<void> downloadAndSaveToGallery(String url, String fileName) async {
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try {
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// 请求存储权限
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if (await _requestPermission()) {
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final dio = Dio();
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final directory = await getTemporaryDirectory();
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final filePath = '${directory.path}/$fileName';
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// 下载文件
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await dio.download(
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url,
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filePath,
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onReceiveProgress: (received, total) {
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if (total != -1) {
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final progress = (received / total) * 100;
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print('下载进度: $progress%');
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}
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},
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);
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// 保存到图库
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if (fileName.endsWith('.jpg') || fileName.endsWith('.png')) {
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// 保存图片
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final result = await ImageGallerySaver.saveFile(filePath);
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if (result['isSuccess']) {
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print('图片已保存到图库');
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} else {
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print('图片保存失败');
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}
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} else if (fileName.endsWith('.mp4')) {
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// 保存视频
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final result = await ImageGallerySaver.saveFile(filePath);
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if (result['isSuccess']) {
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print('视频已保存到图库');
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} else {
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print('视频保存失败');
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}
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}
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// 删除临时文件
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await File(filePath).delete();
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} else {
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print('存储权限被拒绝');
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}
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} catch (e) {
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print('下载或保存文件失败: $e');
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}
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}
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// 批量删除指定文件路径列表中的文件
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Future<bool> deleteDownloadsByPaths(List<String> filePaths) async {
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try {
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showEasyLoading();
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// 获取应用专属目录
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Directory appDocDir = await getApplicationDocumentsDirectory();
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final logFilePath = '${appDocDir.path}/download_log.json';
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if (await File(logFilePath).exists()) {
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final content = await File(logFilePath).readAsString();
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Map<String, dynamic> logData =
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Map<String, dynamic>.from(json.decode(content));
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// 过滤出需要保留的文件
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final filteredLogData = <String, dynamic>{};
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for (final entry in logData.entries) {
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final filePath = entry.key;
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if (!filePaths.contains(filePath)) {
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filteredLogData[filePath] = entry.value; // 保留其他文件
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} else {
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// 删除文件
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final file = File(filePath);
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if (await file.exists()) {
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await file.delete();
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print('已删除文件：$filePath');
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}
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}
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}
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// 更新日志文件
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await File(logFilePath).writeAsString(json.encode(filteredLogData));
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showToast('删除成功'.tr);
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// 重新分组统计下载文件
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await videoLogLogic.groupDownloadsByDay();
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Get.back();
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return true;
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} else {
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print('日志文件不存在');
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return false;
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}
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} catch (e) {
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print('批量删除失败：$e');
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return false;
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} finally {
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dismissEasyLoading();
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}
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}
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// 根据URL生成唯一的文件名（MD5哈希值）
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String getFileNameFromUrl(String url, String extension, int recordType) {
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final hash = md5.convert(utf8.encode(url)).toString(); // 使用 md5 生成哈希值
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return '$recordType' + '_' + '$hash.$extension';
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}
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Future<void> recordDownloadTime(String filePath) async {
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final appDocDir = await getApplicationDocumentsDirectory();
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final logFilePath = '${appDocDir.path}/download_log.json';
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// 读取现有的日志文件
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Map<String, int> logData = {};
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if (await File(logFilePath).exists()) {
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final content = await File(logFilePath).readAsString();
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logData = Map<String, int>.from(json.decode(content));
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}
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// 添加新的下载记录
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logData[filePath] = DateTime.now().millisecondsSinceEpoch;
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// 写入日志文件
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await File(logFilePath).writeAsString(json.encode(logData));
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}
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// 下载文件方法（支持视频和图片）
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Future<String?> downloadFile(String? url, int recordType) async {
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if (url == null || url.isEmpty) {
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print('URL不能为空');
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return null;
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}
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// 请求存储权限
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if (await Permission.storage.request().isGranted) {
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try {
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// 获取应用专属目录（避免与其他应用冲突）
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Directory appDocDir = await getApplicationDocumentsDirectory();
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// 根据URL生成唯一文件名（自动识别扩展名）
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String extension = _getFileTypeFromUrl(url); // 自动检测文件类型
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String fileName =
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getFileNameFromUrl(url, extension, recordType); // 根据URL生成唯一文件名
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String savePath = '${appDocDir.path}/downloads/$fileName'; // 自定义保存路径
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// 确保目录存在
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final dir = Directory('${appDocDir.path}/downloads');
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if (!await dir.exists()) {
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await dir.create(recursive: true);
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}
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// 检查文件是否已存在
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File file = File(savePath);
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if (await file.exists()) {
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print('文件已存在，无需重新下载：$savePath');
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return savePath; // 文件已存在，直接返回路径
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}
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// 下载文件
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await Dio().download(url, savePath,
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onReceiveProgress: (received, total) {
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if (total != -1) {
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print('下载进度: ${(received / total * 100).toStringAsFixed(0)}%');
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}
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});
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// 记录下载时间
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await recordDownloadTime(savePath);
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print('文件已成功下载到：$savePath');
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// 返回下载路径以便后续使用
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return savePath;
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} catch (e) {
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print('下载失败：$e');
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return null;
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}
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} else {
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print('未获取存储权限');
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return null;
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}
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}
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// 根据URL自动检测文件类型
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String _getFileTypeFromUrl(String url) {
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final uri = Uri.parse(url);
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final path = uri.path;
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final extension = path.split('.').last.toLowerCase();
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return extension.isNotEmpty ? extension : 'unknown';
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}
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// 请求存储权限
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Future<bool> _requestPermission() async {
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final status = await Permission.storage.request();
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return status.isGranted;
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}
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}
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